/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pinot.common.datablock;

import java.io.IOException;
import java.nio.ByteBuffer;

import static org.testng.Assert.*;


public abstract class BaseDataBlockContract {

  protected abstract BaseDataBlock deserialize(ByteBuffer byteBuffer, int versionType)
      throws IOException;

  public void testSerdeCorrectness(BaseDataBlock dataBlock)
      throws IOException {
    byte[] bytes = dataBlock.toBytes();
    ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
    int versionType = DataBlockUtils.readVersionType(byteBuffer);
    BaseDataBlock deserialize = deserialize(byteBuffer, versionType);

    assertEquals(byteBuffer.position(), bytes.length, "Buffer position should be at the end of the buffer");
    assertEquals(deserialize, dataBlock, "Deserialized data block should be the same as the original data block");
  }
}
